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Fix docstring formatting and add safe check for empty message content #1360

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merged 1 commit into from
Aug 3, 2025
Merged

Fix docstring formatting and add safe check for empty message content #1360

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6 changes: 5 additions & 1 deletion src/agents/items.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ class RunItemBase(Generic[T], abc.ABC):
"""The agent whose run caused this item to be generated."""

raw_item: T
"""The raw Responses item from the run. This will always be a either an output item (i.e.
"""The raw Responses item from the run. This will always be either an output item (i.e.
`openai.types.responses.ResponseOutputItem` or an input item
(i.e. `openai.types.responses.ResponseInputItemParam`).
"""
Expand Down Expand Up @@ -243,6 +243,8 @@ def extract_last_content(cls, message: TResponseOutputItem) -> str:
if not isinstance(message, ResponseOutputMessage):
return ""

if not message.content:
return ""
last_content = message.content[-1]
if isinstance(last_content, ResponseOutputText):
return last_content.text
Expand All @@ -255,6 +257,8 @@ def extract_last_content(cls, message: TResponseOutputItem) -> str:
def extract_last_text(cls, message: TResponseOutputItem) -> str | None:
"""Extracts the last text content from a message, if any. Ignores refusals."""
if isinstance(message, ResponseOutputMessage):
if not message.content:
return None
last_content = message.content[-1]
if isinstance(last_content, ResponseOutputText):
return last_content.text
Expand Down